diff --git a/ctaocrypt/test/test.c b/ctaocrypt/test/test.c
index 3166bbe43..e43b22d64 100644
--- a/ctaocrypt/test/test.c
+++ b/ctaocrypt/test/test.c
@@ -1062,7 +1062,7 @@ int hmac_md5_test(void)
 }
 #endif /* NO_HMAC && NO_MD5 */
 
-#ifndef NO_HMAC
+#if !defined(NO_HMAC) && !defined(NO_SHA)
 int hmac_sha_test(void)
 {
     Hmac hmac;
diff --git a/cyassl/ctaocrypt/sha.h b/cyassl/ctaocrypt/sha.h
index aaed8813a..591a86ee0 100644
--- a/cyassl/ctaocrypt/sha.h
+++ b/cyassl/ctaocrypt/sha.h
@@ -20,6 +20,8 @@
  */
 
 
+#ifndef NO_SHA
+
 #ifndef CTAO_CRYPT_SHA_H
 #define CTAO_CRYPT_SHA_H
 
@@ -62,4 +64,5 @@ CYASSL_API void ShaFinal(Sha*, byte*);
 #endif
 
 #endif /* CTAO_CRYPT_SHA_H */
+#endif /* NO_SHA */
 
diff --git a/cyassl/internal.h b/cyassl/internal.h
index 3182e7ec1..bea8bb0ec 100644
--- a/cyassl/internal.h
+++ b/cyassl/internal.h
@@ -108,6 +108,10 @@
     #endif
 #endif
 
+#ifdef NO_SHA
+    #define SHA_DIGEST_SIZE 20 
+#endif
+
 #ifdef NO_SHA256
     #define SHA256_DIGEST_SIZE 32 
 #endif